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-rw-r--r--java-c-jni/SHA3.java384
1 files changed, 0 insertions, 384 deletions
diff --git a/java-c-jni/SHA3.java b/java-c-jni/SHA3.java
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index 4be013e..0000000
--- a/java-c-jni/SHA3.java
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@@ -1,384 +0,0 @@
-/**
- * sha3sum – SHA-3 (Keccak) checksum calculator
- *
- * Copyright © 2013, 2014 Mattias Andrée (maandree@member.fsf.org)
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-import java.io.*;
-import java.util.*;
-
-
-/**
- * SHA-3/Keccak hash algorithm implementation
- *
- * @author Mattias Andrée <a href="mailto:maandree@member.fsf.org">maandree@member.fsf.org</a>
- */
-public class SHA3
-{
- /**
- * Suffix the message when calculating the Keccak hash sum
- */
- public static final String KECCAK_SUFFIX = "";
-
- /**
- * Suffix the message when calculating the SHA-3 hash sum
- */
- public static final String SHA3_SUFFIX = "01";
-
- /**
- * Suffix the message when calculating the RawSHAKE hash sum
- */
- public static final String RawSHAKE_SUFFIX = "11";
-
- /**
- * Suffix the message when calculating the SHAKE hash sum
- */
- public static final String SHAKE_SUFFIX = "1111";
-
-
-
- /**
- * Hidden constructor
- */
- private SHA3()
- {
- // Inhibit instansiation
- }
-
-
-
- /**
- * Class initialiser
- */
- static
- {
- try
- {
- System.load((new File("./SHA3.so")).getCanonicalPath());
- }
- catch (IOException err)
- {
- throw new Error("SHA3 library cannot be found");
- }
- }
-
-
-
- /**
- * Initialise Keccak sponge
- *
- * @param r The bitrate
- * @param c The capacity
- * @param n The output size
- */
- public static native void initialise(int r, int c, int n);
-
-
- /**
- * Absorb the more of the message message to the Keccak sponge
- *
- * @param msg The partial message
- */
- public static void update(byte[] msg)
- {
- update(msg, msg.length);
- }
-
-
- /**
- * Absorb the more of the message message to the Keccak sponge
- *
- * @param msg The partial message
- * @param msglen The length of the partial message
- */
- public static native void update(byte[] msg, int msglen);
-
-
- /**
- * Squeeze the Keccak sponge
- *
- * @return The hash sum
- */
- public static byte[] digest()
- {
- return digest(null, 0, 0, SHA3.SHA3_SUFFIX, true);
- }
-
-
- /**
- * Squeeze the Keccak sponge
- *
- * @param suffix The suffix concatenate to the message
- * @return The hash sum
- */
- public static byte[] digest(String suffix)
- {
- return digest(null, 0, 0, suffix, true);
- }
-
-
- /**
- * Squeeze the Keccak sponge
- *
- * @param withReturn Whether to return the hash instead of just do a quick squeeze phrase and return {@code null}
- * @return The hash sum, or {@code null} if <tt>withReturn</tt> is {@code false}
- */
- public static byte[] digest(boolean withReturn)
- {
- return digest(null, 0, 0, SHA3.SHA3_SUFFIX, withReturn);
- }
-
-
- /**
- * Squeeze the Keccak sponge
- *
- * @param suffix The suffix concatenate to the message
- * @param withReturn Whether to return the hash instead of just do a quick squeeze phrase and return {@code null}
- * @return The hash sum, or {@code null} if <tt>withReturn</tt> is {@code false}
- */
- public static byte[] digest(String suffix, boolean withReturn)
- {
- return digest(null, 0, 0, suffix, withReturn);
- }
-
-
- /**
- * Absorb the last part of the message and squeeze the Keccak sponge
- *
- * @param msg The rest of the message
- * @return The hash sum
- */
- public static byte[] digest(byte[] msg)
- {
- return digest(msg, msg == null ? 0 : msg.length, 0, SHA3.SHA3_SUFFIX, true);
- }
-
-
- /**
- * Absorb the last part of the message and squeeze the Keccak sponge
- *
- * @param msg The rest of the message
- * @param suffix The suffix concatenate to the message
- * @return The hash sum
- */
- public static byte[] digest(byte[] msg, String suffix)
- {
- return digest(msg, msg == null ? 0 : msg.length, 0, suffix, true);
- }
-
-
- /**
- * Absorb the last part of the message and squeeze the Keccak sponge
- *
- * @param msg The rest of the message
- * @param withReturn Whether to return the hash instead of just do a quick squeeze phrase and return {@code null}
- * @return The hash sum, or {@code null} if <tt>withReturn</tt> is {@code false}
- */
- public static byte[] digest(byte[] msg, boolean withReturn)
- {
- return digest(msg, msg == null ? 0 : msg.length, 0, SHA3.SHA3_SUFFIX, withReturn);
- }
-
-
- /**
- * Absorb the last part of the message and squeeze the Keccak sponge
- *
- * @param msg The rest of the message
- * @param suffix The suffix concatenate to the message
- * @param withReturn Whether to return the hash instead of just do a quick squeeze phrase and return {@code null}
- * @return The hash sum, or {@code null} if <tt>withReturn</tt> is {@code false}
- */
- public static byte[] digest(byte[] msg, String suffix, boolean withReturn)
- {
- return digest(msg, msg == null ? 0 : msg.length, 0, suffix, withReturn);
- }
-
-
- /**
- * Absorb the last part of the message and squeeze the Keccak sponge
- *
- * @param msg The rest of the message
- * @param msglen The length of the partial message in while bytes
- * @return The hash sum
- */
- public static byte[] digest(byte[] msg, int msglen)
- {
- return digest(msg, msg == null ? 0 : msg.length, 0, SHA3.SHA3_SUFFIX, true);
- }
-
-
- /**
- * Absorb the last part of the message and squeeze the Keccak sponge
- *
- * @param msg The rest of the message
- * @param msglen The length of the partial message in while bytes
- * @param suffix The suffix concatenate to the message
- * @return The hash sum
- */
- public static byte[] digest(byte[] msg, int msglen, String suffix)
- {
- return digest(msg, msg == null ? 0 : msg.length, 0, suffix, true);
- }
-
-
- /**
- * Absorb the last part of the message and squeeze the Keccak sponge
- *
- * @param msg The rest of the message
- * @param msglen The length of the partial message in while bytes
- * @param bits The number of bits at the end of the message not covered by <tt>msglen</tt>
- * @return The hash sum
- */
- public static byte[] digest(byte[] msg, int msglen, int bits)
- {
- return digest(msg, msg == null ? 0 : msg.length, bits, SHA3.SHA3_SUFFIX, true);
- }
-
-
- /**
- * Absorb the last part of the message and squeeze the Keccak sponge
- *
- * @param msg The rest of the message
- * @param msglen The length of the partial message in while bytes
- * @param bits The number of bits at the end of the message not covered by <tt>msglen</tt>
- * @param suffix The suffix concatenate to the message
- * @return The hash sum
- */
- public static byte[] digest(byte[] msg, int msglen, int bits, String suffix)
- {
- return digest(msg, msg == null ? 0 : msg.length, bits, suffix, true);
- }
-
-
- /**
- * Absorb the last part of the message and squeeze the Keccak sponge
- *
- * @param msg The rest of the message
- * @param msglen The length of the partial message in while bytes
- * @param withReturn Whether to return the hash instead of just do a quick squeeze phrase and return {@code null}
- * @return The hash sum, or {@code null} if <tt>withReturn</tt> is {@code false}
- */
- public static byte[] digest(byte[] msg, int msglen, boolean withReturn)
- {
- return digest(msg, msg == null ? 0 : msg.length, 0, SHA3.SHA3_SUFFIX, withReturn);
- }
-
-
- /**
- * Absorb the last part of the message and squeeze the Keccak sponge
- *
- * @param msg The rest of the message
- * @param msglen The length of the partial message in while bytes
- * @param suffix The suffix concatenate to the message
- * @param withReturn Whether to return the hash instead of just do a quick squeeze phrase and return {@code null}
- * @return The hash sum, or {@code null} if <tt>withReturn</tt> is {@code false}
- */
- public static byte[] digest(byte[] msg, int msglen, String suffix, boolean withReturn)
- {
- return digest(msg, msg == null ? 0 : msg.length, 0, suffix, withReturn);
- }
-
-
- /**
- * Absorb the last part of the message and squeeze the Keccak sponge
- *
- * @param msg The rest of the message
- * @param msglen The length of the partial message in while bytes
- * @param bits The number of bits at the end of the message not covered by <tt>msglen</tt>
- * @param withReturn Whether to return the hash instead of just do a quick squeeze phrase and return {@code null}
- * @return The hash sum, or {@code null} if <tt>withReturn</tt> is {@code false}
- */
- public static byte[] digest(byte[] msg, int msglen, int bits, boolean withReturn)
- {
- return digest(msg, msg == null ? 0 : msg.length, 0, SHA3.SHA3_SUFFIX, withReturn);
- }
-
-
- /**
- * Absorb the last part of the message and squeeze the Keccak sponge
- *
- * @param msg The rest of the message
- * @param msglen The length of the partial message
- * @param bits The number of bits at the end of the message not covered by <tt>msglen</tt>
- * @param suffix The suffix concatenate to the message
- * @param withReturn Whether to return the hash instead of just do a quick squeeze phrase and return {@code null}
- * @return The hash sum, or {@code null} if <tt>withReturn</tt> is {@code false}
- */
- public static byte[] digest(byte[] msg, int msglen, int bits, String suffix, boolean withReturn)
- {
- int[] suffix_ = new int[suffix.length()];
- for (int i = 0, n = suffix_.length; i < n; i++)
- suffix_[i] = suffix.charAt(i) == '1' ? 1 : 0;
-
- return digest(msg, msglen, bits, suffix_, withReturn);
- }
-
-
- /**
- * Absorb the last part of the message and squeeze the Keccak sponge
- *
- * @param msg The rest of the message
- * @param msglen The length of the partial message
- * @param bits The number of bits at the end of the message not covered by <tt>msglen</tt>
- * @param suffix The suffix concatenate to the message
- * @param withReturn Whether to return the hash instead of just do a quick squeeze phrase and return {@code null}
- * @return The hash sum, or {@code null} if <tt>withReturn</tt> is {@code false}
- */
- public static native byte[] digest(byte[] msg, int msglen, int bits, int[] suffix, boolean withReturn);
-
-
- /**
- * Force a round of Keccak-f
- */
- public static void simpleSqueeze()
- {
- simpleSqueeze(1);
- }
-
-
- /**
- * Force some rounds of Keccak-f
- *
- * @param times The number of rounds
- */
- public static native void simpleSqueeze(int times);
-
-
- /**
- * Squeeze as much as is needed to get a digest
- */
- public static void fastSqueeze()
- {
- fastSqueeze(1);
- }
-
-
- /**
- * Squeeze as much as is needed to get a digest a number of times
- *
- * @param times The number of digests
- */
- public static native void fastSqueeze(int times);
-
-
- /**
- * Squeeze out another digest
- *
- * @return The hash sum
- */
- public static native byte[] squeeze();
-
-}
-
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